Active Listings
84
⇩ 24.3% vs 111 last year
Population: 52,746 · Density: 293.9/mi² · Median household income: $91,698
Typical home value: $262,117 · Homeownership: 80.9%
Data as of January 2026. Source: Realtor.com.
The O'FALLON, MO real estate market (63366) currently shows 84 active listings, with 49 pending sales. Homes are averaging 51 days on the market before going under contract.
Inventory has tightened compared to last year, with 27 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 51 days on market compared to 73 days last year.
The median listing price has risen 3.4% year-over-year, from $396,425 to $410,000.
Whether you are buying or selling in O'FALLON, MO, SELL123.com can help you save significantly on commission — typically 2% compared to traditional 5% broker fees. Call (240) SELL-123 for a free consultation.
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 63366 | O'Fallon, MO 63366 | 0.0 mi | 84 | $33,935,244 | $410,000 | $403,991 |
| 63376 | Saint Peters, MO 63376 | 6.9 mi | 140 | $46,913,860 | $334,900 | $335,099 |
| 63368 | O'Fallon, MO 63368 | 7.5 mi | 125 | $62,477,125 | $499,900 | $499,817 |
| 63385 | Wentzville, MO 63385 | 8.5 mi | 295 | $151,541,205 | $434,900 | $513,699 |
| 63362 | Moscow Mills, MO 63362 | 10.1 mi | 43 | $15,009,107 | $322,900 | $349,049 |
| 62013 | Brussels, IL 62013 | 11.0 mi | 1 | $160,000 | $160,000 | $160,000 |
| 63348 | Foristell, MO 63348 | 12.9 mi | 101 | $54,263,058 | $398,495 | $537,258 |
| 63301 | Saint Charles, MO 63301 | 13.3 mi | 117 | $48,603,555 | $400,900 | $415,415 |
| 63347 | Foley, MO 63347 | 14.8 mi | 4 | $1,013,068 | $249,900 | $253,267 |
| 63044 | Bridgeton, MO 63044 | 16.8 mi | 19 | $4,161,779 | $185,000 | $219,041 |
| 62037 | Grafton, IL 62037 | 17.1 mi | 14 | $7,550,634 | $330,000 | $539,331 |
| 63017 | Chesterfield, MO 63017 | 17.4 mi | 107 | $62,676,534 | $600,000 | $585,762 |
| 63390 | Wright City, MO 63390 | 17.7 mi | 73 | $34,139,034 | $336,900 | $467,658 |
As of January 2026, there are 84 active listings in O'FALLON, MO (zip code 63366), compared to 111 the prior year.
The median listing price in O'FALLON, MO 63366 is $410,000 as of January 2026, a 3.4% increase from $396,425 the prior year.
Homes in O'FALLON, MO 63366 spend an average of 51 days on the market before going under contract, compared to 73 days the prior year.
Based on current inventory and days-on-market data as of January 2026, O'FALLON, MO 63366 is currently a Seller's Market. Inventory has tightened compared to last year, with 27 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 51 days on market compared to 73 days last year.
With SELL123.com's maximum 3% commission, sellers in O'FALLON, MO 63366 save an estimated $8,200 compared to a typical 5% commission on the median listing price of $410,000. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.